<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        //http://localhost:4000/users
        async function addUser(){
            const response = await fetch('http://localhost:4000/users',{
                method:'POST',
                headers:{'Content-Type':"application/json"},
                body:JSON.stringify({name:'李四'})
            });
            const bodyData = await response.json();
            console.log(bodyData);
        }
        addUser();
    </script>
</body>
</html>